RT Composite™ Exterior Trim Screw
RT Composite™ Exterior Trim Screw
Features
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Recessed Star Drive
Eliminates stripping with 6 points of contact
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Trim Head
For a clean, finished look
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Underhead Reverse Thread
Design prevents mushrooming to create an even surface
Additional Features
- W-Cut™: For low torque and smoother drive
- Zip-Tip™: Eliminates pre-drilling
- Available in Climatek™ or white Climatek™ coating
- Some sizes also available in 305 Stainless Steel
Applications
cPVC Deck Boards
Exterior Trim
Hidden Fastening Systems
Additional Applications
- Interior/exterior use
- Composite trim
- cPVC
- Door/window jambs
- Composite decking
Pack Sizes
Handy Packs
| Size (Dia. x Lgth.) | Part No. | MC Qty. / Screw Qty. (per EA) | |
|---|---|---|---|
|
T-10
|
|||
| #8 x 2" | 119077 | 6/100 | |
| #8 x 2-1/2" | 119079 | 6/100 | |
| #8 x 3-1/8" | 119083 | 6/100 |
Pro Pack
| Size (Dia. x Lgth.) | Part No. | Pail Qty. | |
|---|---|---|---|
|
T-10
|
|||
| #8 x 2" | 16077 | 725 | |
| #8 x 2-1/2" | 16079 | 605 | |
| #8 x 3-1/8" | 16083 | 514 | |
|
T-15
|
|||
| #9 x 2-1/2″ | 16101 | 408 | |
| #9 x 3-1/8" | 16105 | 348 |
Documentation
Technical Documentation
RT Composite™ Product Information
RT Composite™ Technical Drawing
RT Composite™ Product Information
RT Composite™ Technical Drawing
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FAQs
Does your Climatek coating contain any heavy metals such as Cadmium?
No, GRK's coating does not contain any heavy metals.
What does it mean when you state wood was tested at a specific gravity?
There is a number assigned to specific wood types. This number helps to determine the Tensile and Shear of fasteners used in these gravities
What are Tensile and Shear values for GRK screws in OSB Plywood?
The manufacturer of the OSB would have to be contacted for the gravity/contents of the plywood in order to determine the pull out and shear.
Can MCQ be used with any GRK screws?
Yes, GRK screws can be used in MCQ treated lumber.
Do all GRK Screws have the Zip Tip™ feature?
All GRK R4, RSS, Cabinet, Trim, and MSS screws 1" in length and longer contain the Zip Tip™ feature.
When should I use stainless steel screws?
Use of 305 stainless steel screws are recommended for use in Ipe, Wolmanized Treated Lumber, Cedar, White Oak, and any hardwood. Anything within 1 mile of the coast should use 316 Stainless Steel fasteners and anything 1 to 15 miles of the coast should use 305 Stainless Steel fasteners.
What is Climatek™ Coating?
The GRK Climatek coating provides superior corrosion resistance, allowing the screw to be used in both interior and exterior applications as well as pressure treated lumber.
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